This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 6 |
| 4 | 14 |
| 5 | 26 |
| 6 | 56 |
| 7 | 103 |
| 8 | 203 |
| 9 | 374 |
| 10 | 702 |
| 11 | 1262 |
| 12 | 2306 |
| 13 | 4078 |
| 14 | 7242 |
| 15 | 12628 |
| 16 | 21988 |
| 17 | 37756 |
| 18 | 64682 |
| 19 | 109606 |
| 20 | 185082 |
| 21 | 309958 |
| 22 | 516932 |
| 23 | 856221 |
| 24 | 1412461 |
| 25 | 2316416 |
| 26 | 3783552 |